Floor covering



FIG. 1 is a perspective view of the floor covering;

FIG. 2 is a top plan view of the floor covering of FIG. 1;

FIG. 3 is a right side elevational view of the floor covering of FIG. 1, the other three side views are identical to the view of FIG. 3; and,

FIG. 4 is a bottom plan view of the floor covering of FIG. 1.

The shading is for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a floor covering, as shown and described. 